OSI HM270 Construction Silicone Sealant (Carton of 12)

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Description

The OSI HM270 Construction Silicone Sealant is a one-part RTV sealant designed for sealing and glazing. It cures at room temperature upon exposure to moisture in the air providing good tensile strength and excellent adhesion, usually without the use of a primer, to most nonporous building materials. OSI HM270 easily withstands temperature extremes from -60°F to 400°F without adverse effects. This sealant from OSI will work with sealing skylights, solar panels, ventilators, aluminum siding and windows, heating/air conditioning units, duct work, recreational vehicles, and other glass, plastic or metal assemblies.